Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980315 | System and method for selectively communicatable hydraulic nipples | Dewayne Turner | 2011-07-19 |
| 7963334 | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation | Thomas G. Hill, Jr., Jason C. Mailand, Cecil G. McGavern, III, Winfield M. Sides, III | 2011-06-21 |
| 7954551 | System and method for thru tubing deepening of gas lift | — | 2011-06-07 |
| 7934550 | Wellhead assembly and method for an injection tubing string | Blane Cole, Thomas G. Hill, Jr. | 2011-05-03 |
| 7913769 | Downhole safety valve apparatus and method | David R. Smith | 2011-03-29 |
| 7913754 | Wellhead assembly and method for an injection tubing string | — | 2011-03-29 |
| 7886830 | Downhole safety valve apparatus and method | David R. Smith | 2011-02-15 |
| 7861786 | Method and apparatus for fluid bypass of a well tool | Thomas G. Hill, Jr., David R. Smith | 2011-01-04 |